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<blockquote>"तत्र देवयज्ञस्य लक्षणमाह - यदग्नौ जुहोत्यपि समिधं तद्देवयज्ञ: संतिष्ठते - इति ||"</blockquote><blockquote>"पुरोडाशादिहविर्मुख्यं तदलाभे समिधमप्यग्नौ देवानुद्दिशञ्जुहोतीति यत्सोऽयं देवयज्ञः ||" (Saya. Bhas.)</blockquote>Meaning : The characteristics of Devayagna are now said - Wherein the समिधम् || samidha (sacrificial material ) are offered into Agni, that completes Devayagna.  According to Saayana, "पुरोडाश || Purodaasha" ( a special kind of sacrificial offering) is to be offered primarily as a sacrificial offering, however when that is unavailable, samidha are offered for Devatas and such a practice is called Devayagna.

<blockquote>"तत्र देवयज्ञस्य लक्षणमाह - यदग्नौ जुहोत्यपि समिधं तद्देवयज्ञ: संतिष्ठते - इति ||"</blockquote><blockquote>"पुरोडाशादिहविर्मुख्यं तदलाभे समिधमप्यग्नौ देवानुद्दिशञ्जुहोतीति यत्सोऽयं देवयज्ञः ||" (Saya. Bhas.)</blockquote>Meaning : The characteristics of Devayagna are now said - Wherein the समिधम् || samidha (sacrificial material ) are offered into Agni, that completes Devayagna.  According to Saayana, "पुरोडाश || Purodaasha" ( a special kind of sacrificial offering) is to be offered primarily as a sacrificial offering, however when that is unavailable, samidha are offered for Devatas and such a practice is called Devayagna.

Deva-Yajna, is the sacrifice offered to the celestial beings in the form of ghee, herbs, and camphor offered into the अग्निहोत्र || Agnihotra (sacrificial fire). Homam or Havan promotes rains which give good crops and harvest.   

Deva-Yajna, is the sacrifice offered to the celestial beings in the form of milk, ghee, herbs, and camphor offered into the [[Agnihotra (अग्निहोत्रम्)|अग्निहोत्र || Agnihotra]] (sacrificial fire). Havis are the offerings for Devatas made with the utterance of "स्वाह || Svaaha" at the end of the mantra. Homam or Havan promotes rains which give good crops and harvest.   

=== पितृयज्ञः || Pitru Yagna  ===

=== पितृयज्ञः || Pitru Yagna  ===

<blockquote>"तत्र पिण्डदानासंभवे जलमात्रमपि पितृभ्यः स्वधाऽस्त्विति स्वधाशब्देन यद्ददाति सोऽयं पितृयज्ञः ---"|| (Saya. Bhas)</blockquote>According to Saayana, Pitri-Yajna, is where Pindapradhana (offering of pindas made of rice) is made into fire with the chanting of "स्वधा || svadha", but when that is not possible even water offered to Pitrus with "स्वधाकारः || svadhakaara" (i.e using the mantras with svadha in the end) or offering anything into the fire with "svadha" constitutes the Pirtuyagna.   

<blockquote>"तत्र पिण्डदानासंभवे जलमात्रमपि पितृभ्यः स्वधाऽस्त्विति स्वधाशब्देन यद्ददाति सोऽयं पितृयज्ञः ---"|| (Saya. Bhas)</blockquote>According to Saayana, Pitri-Yajna, is where Pindapradhana (offering of pindas made of rice) is made into fire with the chanting of "स्वधा || svadha", but when that is not possible even water offered to Pitrus with "स्वधाकारः || svadhakaara" (i.e using the mantras with svadha in the end) or offering anything into the fire with "svadha" constitutes the Pirtuyagna.   

Generally तर्पण || tarpana (offering of water and pinda or offering of rice) is made to the ancestors with the utterance of "Svadha" whereas offerings for Devatas is made with the utterance of "स्वाह || Svaaha" after the mantras.   

Generally तर्पण || tarpana (offering of water and pinda or offering of rice) is made to the ancestors with the utterance of "Svadha". Offering of Tila (sesame) to pitrudevatas is also present.   

=== भूतयज्ञ: || Bhuta Yagna  ===

=== भूतयज्ञ: || Bhuta Yagna  ===